<!DOCTYPE html>
<html>
<body>
<form id="frm1" action="form_action.asp">
First name: <input type="text" name="fname" value="Donald"><br>
Last name: <input type="text" name="lname" value="Duck"><br><br>
<input type="submit" value="Submit">
</form>
<p>Click "Try it" to display the value of each element in the form.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.forms["frm1"];
var text = "";
var i;
for (i = 0; i < x.length ;i++) {
text += x.elements[i].value + "<br>";
}
document.getElementById("demo").innerHTML = text;
}
</script>
</body>
</html>